Change log streaming link to finger protocol

The new upcoming log streaming will be based on a protocol nearly
identical to finger. So much so, that it's actually finger. Isn't that
cool?

Change-Id: I51ef51ee236227e7816effe6683733ae3f29750a
diff --git a/tests/base.py b/tests/base.py
index 76f7e03..a8b8995 100755
--- a/tests/base.py
+++ b/tests/base.py
@@ -1246,6 +1246,7 @@
         self.build_history = []
         self.fail_tests = {}
         self.job_builds = {}
+        self.hostname = 'zl.example.com'
 
     def failJob(self, name, change):
         """Instruct the executor to report matching builds as failures.